TABLE 4.
Lipid classb | Sphingolipid levels (pmol/pmol Pi) for treatment and straina: |
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0384 |
0385 |
0390 |
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No drug |
0.06 μg/ml myriocin + 4 μg/ml flucytosine |
0.25 μg/ml myriocin + 2 μg/ml flucytosine |
No drug |
0.5 μg/ml myriocin + 2 μg/ml flucytosine |
1 μg/ml myriocin + 2 μg/ml flucytosine |
No drug |
1 μg/ml myriocin + 4 μg/ml flucytosine |
8 μg/ml myriocin + 4 μg/ml flucytosine |
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Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | |
SPH | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.09 | 0.54 | 0.10 | 0.51 | 0.10 |
SPH-1-P | 0.44 | 0.08 | 0.06 | 0.02 | 0.05 | 0.01 | 0.06 | 0.02 | 1.45 | 0.30 | 0.01 | 0.00 | 0.06 | 0.02 | 0.09 | 0.03 | 0.07 | 0.03 |
DHS | 2.90 | 0.51 | 1.00 | 0.19 | 0.69 | 0.12 | 1.36 | 0.25 | 0.76 | 0.13 | 0.39 | 0.09 | 1.27 | 0.22 | 1.03 | 0.19 | 0.49 | 0.09 |
DHS-1-P | 1.97 | 0.38 | 0.10 | 0.03 | 0.04 | 0.02 | 0.39 | 0.09 | 0.74 | 0.14 | 0.02 | 0.01 | 0.38 | 0.07 | 0.17 | 0.03 | 0.06 | 0.01 |
PHS | 0.52 | 0.09 | 0.50 | 0.10 | 0.51 | 0.09 | 0.38 | 0.07 | 0.31 | 0.06 | 0.20 | 0.04 | 1.67 | 0.32 | 2.35 | 0.44 | 2.16 | 0.38 |
PHS-1-P | 0.36 | 0.06 | 0.15 | 0.03 | 0.06 | 0.02 | 0.02 | 0.01 | 1.18 | 0.24 | 0.00 | 0.00 | 0.81 | 0.15 | 0.53 | 0.18 | 3.72 | 0.79 |
18:0;2/18:0;0 DHC | 4.04 | 0.80 | 1.91 | 0.40 | 1.57 | 0.29 | 11.55 | 2.20 | 3.81 | 0.71 | 3.78 | 0.71 | 12.23 | 2.21 | 11.58 | 2.24 | 5.95 | 1.05 |
18:1;2/18:0;0 CER | 0.20 | 0.04 | 0.27 | 0.05 | 0.23 | 0.04 | 1.85 | 0.34 | 1.21 | 0.23 | 1.60 | 0.30 | 6.80 | 1.28 | 9.15 | 1.81 | 7.33 | 1.29 |
18:2;2/18:0;1 GlcCer | 7.38 | 1.39 | 6.56 | 1.28 | 5.50 | 1.14 | 9.79 | 2.05 | 11.57 | 2.17 | 10.50 | 1.85 | 4.96 | 0.87 | 4.80 | 0.94 | 4.21 | 0.80 |
19:2;2/18:0;1 GlcCer | 108.96 | 21.00 | 96.11 | 18.04 | 76.36 | 16.48 | 114.09 | 21.37 | 151.82 | 27.48 | 146.29 | 25.72 | 93.52 | 17.18 | 95.84 | 17.87 | 96.07 | 16.86 |
18:0;3/24:1;1 OH-PHC | 14.88 | 2.64 | 16.54 | 3.01 | 15.56 | 2.96 | 15.03 | 2.68 | 12.12 | 2.32 | 16.37 | 3.14 | 11.94 | 2.32 | 17.54 | 3.89 | 10.92 | 2.00 |
18:0;3/18:0;0 PHC | 0.15 | 0.03 | 0.16 | 0.03 | 0.16 | 0.03 | 0.97 | 0.18 | 0.84 | 0.17 | 1.00 | 0.21 | 1.31 | 0.27 | 1.94 | 0.38 | 2.01 | 0.36 |
18:0;3/24:0;0 PHC | 1.12 | 0.20 | 1.09 | 0.22 | 1.06 | 0.21 | 7.26 | 1.32 | 5.86 | 1.08 | 8.35 | 1.54 | 11.01 | 2.18 | 20.54 | 4.10 | 19.44 | 3.44 |
18:0;3/24:0;1 PHC | 1.66 | 0.29 | 1.90 | 0.35 | 1.61 | 0.33 | 4.93 | 0.94 | 3.97 | 0.76 | 6.01 | 1.05 | 2.39 | 0.43 | 2.72 | 0.57 | 3.10 | 0.54 |
IPC 36C - 18:0;2/18:0;0 | 0.70 | 0.13 | 0.51 | 0.09 | 0.83 | 0.18 | 0.87 | 0.16 | 0.50 | 0.09 | 0.30 | 0.06 | 2.39 | 0.43 | 0.91 | 0.16 | 0.83 | 0.16 |
IPC 36C - 18:0;3/18:0;0 | 1.23 | 0.22 | 1.68 | 0.30 | 3.44 | 0.71 | 0.34 | 0.06 | 0.36 | 0.06 | 0.27 | 0.05 | 0.68 | 0.14 | 0.49 | 0.09 | 0.37 | 0.06 |
IPC 36C - 18:0;3/18:0;1 | 0.30 | 0.06 | 0.41 | 0.07 | 0.72 | 0.16 | 0.17 | 0.03 | 0.20 | 0.04 | 0.15 | 0.03 | 0.11 | 0.02 | 0.10 | 0.02 | 0.13 | 0.02 |
IPC 42C - 18:0;3/24:0;1 | 5.76 | 1.10 | 5.11 | 1.09 | 17.26 | 3.62 | 2.73 | 0.49 | 2.62 | 0.46 | 2.69 | 0.50 | 2.41 | 0.43 | 2.72 | 0.49 | 2.69 | 0.58 |
IPC 44C - 18:0;3/24:0;2 | 5.11 | 0.99 | 4.51 | 0.97 | 16.35 | 3.39 | 4.20 | 0.76 | 4.45 | 0.78 | 4.69 | 0.94 | 2.96 | 0.53 | 2.81 | 0.53 | 2.50 | 0.48 |
IPC 44C - 18:0;3/26:0;1 | 3.65 | 0.68 | 2.73 | 0.58 | 14.54 | 3.21 | 4.10 | 0.89 | 2.78 | 0.49 | 3.47 | 0.62 | 4.32 | 0.89 | 3.91 | 0.76 | 3.65 | 0.64 |
IPC 44C - 18:0;3/26:0;2 | 1.30 | 0.25 | 1.01 | 0.20 | 5.07 | 1.10 | 1.17 | 0.21 | 1.03 | 0.19 | 1.33 | 0.25 | 1.04 | 0.19 | 1.19 | 0.22 | 0.63 | 0.12 |
Pi, inorganic phosphate.
SPH, sphingosine; SPH-1-P, sphingosine-1-phosphate; DHS, dihydrosphingosine; DHS-1-P, dihydrosphingosine-1-phosphate; PHS, phytosphingosine; PHS-1-P, phytosphingosine-1-phosphate; DHC, dihydroceramide; CER, ceramide; GlcCer, glucosylceramide; OH-PHC, hydroxylated-phytoceramide; PHC, phytoceramide; IPC, inositol phosphoryl ceramide.